and later, we talk with david corn about the secret video of mitt romney on tomorrow morning's "washington journal", professor julian selzer talks about the impacts of vice presidential debates in past elections. and executive director of the democratic national campaign committee, guy harrison and >> with what he did on the campaign trail, nothing except her borrow and spend. as a result, not fixing it, our credit rating was downgraded for the first time in our history. we laid out a 4 trillion-dollar debt reduction plan. we already passed a trillion of it. ladies and gentlemen, these guys don't like anything. they don't only like our plan, but what is your plan? umax thursday, congressman paul ryan and vice president joe biden will face off in their only debate. abc news martha radek will moderate and you can watch and and engage with c-span or lack of a preview at 7:00 p.m. eastern, followed by two waste watch the debate at 9:00 p.m. both candidates on screen the entire debate. on c-span2, the multi-version camera debate. live coverage will be on c-span, c-span radio, and online at c-sp